dripstone vs calcium carbonate

dripstone and calcium carbonate both are nouns.

Word	Noun	Adjective	Verb	Adverb
dripstone	Yes	No	No	No
calcium carbonate	Yes	No	No	No

As nouns, calcium carbonate is a hypernym of dripstone; that is, calcium carbonate is a word with a broader meaning than dripstone:

dripstone: the form of calcium carbonate found in stalactites and stalagmites
calcium carbonate: a salt found in nature as chalk or calcite or aragonite or limestone

dripstone (noun)	calcium carbonate (noun)
a protective drip that is made of stone	a salt found in nature as chalk or calcite or aragonite or limestone
the form of calcium carbonate found in stalactites and stalagmites